Computer crimes Security measures 13 Prevention 11 Computer networks 9 Computer security 9 Internet 8 Investigation 8 more ... Law and legislation 8 Government policy 7 Leaks (Disclosure of information) 6 Cyberterrorism 5 Electronic surveillance 4 Hackers 4 Computer viruses 3 Cyberspace 3 Internet in espionage 3 National security 3 Computer files 2 Criminal jurisdiction 2 Criminal provisions 2 Cyberspace operations (Military science) 2 Data encryption (Computer science) 2 Data protection 2 Defense information, Classified 2 Domestic intelligence 2 Electronic evidence 2 Evidence, Criminal 2 History 2 Information warfare 2 International cooperation 2 less ...